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30011001000 = 23353173531667
BaseRepresentation
bin11011111100110010…
…111000100010101000
32212110111222210220120
4123330302320202220
5442430304013000
621441543523240
72111462204511
oct337462704250
985414883816
1030011001000
1111800478272
125996759520
132aa3747476
141649aada08
15ba9a9d6a0
hex6fccb88a8

30011001000 has 256 divisors, whose sum is σ = 99482722560. Its totient is φ = 7506329600.

The previous prime is 30011000989. The next prime is 30011001037. The reversal of 30011001000 is 10011003.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 30011001000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18002167 + ... + 18003833.

It is an arithmetic number, because the mean of its divisors is an integer number (388604385).

Almost surely, 230011001000 is an apocalyptic number.

30011001000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30011001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49741361280).

30011001000 is an abundant number, since it is smaller than the sum of its proper divisors (69471721560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30011001000 is a wasteful number, since it uses less digits than its factorization.

30011001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 6.

Adding to 30011001000 its reverse (10011003), we get a palindrome (30021012003).

It can be divided in two parts, 3001 and 1001000, that added together give a palindrome (1004001).

The spelling of 30011001000 in words is "thirty billion, eleven million, one thousand".